Unreal Engine Issues

Confusing build error message provided when semi-colon is not added after a forward declaration in an Interface header file

If a forward declaration of a class is made in the header file for an Interface class, and no semi-colon is included at the end of the forward declaration line, the build will fail with a confusing ...

Editor ClickLocation does not respect AllowSelectTranslucent

With AllowSelectTranslucent off, translucent objects are expected to have no effect on the selection process, however the editor's click location continues to reflect their impact. ...

PhysicsConstraint is not properly updated with world origin shifting

When world origin shifting occurs, or any movement of the constraint component itself, the underlying physx constraint is not properly updated, leading to incorrect results. ...

ISM is not transformable in standalone if mesh distance fields are generated

Instanced static mesh is not transforming when running in standalone or a packaged project. The collision of the mesh will scale but not its visual. ...

AttachToComponent replication snapping to position instead of keeping relative location

When using AttachToComponent at runtime, the attachment does not replicate properly for some clients. The relative transform/rotation is not maintained. The user who reported this issue mentioned th ...

[CrashReporter] UE4Editor-D3D12RHI!CreatePipelineStateFromStream(ID3D12PipelineState * &,ID3D12Device2 *,D3D12_PIPELINE_STATE_STREAM_DESC const *,ID3D12PipelineLibrary1 *,wchar_t const *)

Generated from CrashReporter ...

[CrashReport] UE4Editor-Core!FDebug::CheckVerifyFailedImpl(char const *,char const *,int,wchar_t const *,...) [AssertionMacros.cpp:418]

Two comments from users:Running in -dx12 mode to test raytracinglaunching editor Generated from CrashReporter ...

Off by one in skeletal animation length

Malformed command sent to UAT if BuildCookRun command ends with a trailing slash ("\")

Including a trailing slash ("\") at the end of a BuildCookRun command sent to UAT results in UAT receiving a malformed command. If the command ends with a slash, the resulting command that UAT recei ...

Potential for race conditions in startup movies to cause crash

In startup movies there is a potential for a race condition when getting the size of an FMovieViewport. This has led to crashes for licensees. The shared pointer ...